Appropriately titled "One Flight Down," the episode 20 of "Grey's Anatomy" Season 11 is going to be a rattling experience for Arizona, Meredith and Owen. A plane crash will lead the doctors to memory lane especially when they see the number of patients suffering fatal injuries and in deplorable situations. Don't miss the action-packed hour-long show tonight. Watch 'Grey's Anatomy' season 11 episode 20 online using the free online stream link provided below.

Note: This article contains several spoilers on the upcoming "Grey's Anatomy" episode. If you don't want to spoil the fun and excitement of watching the episode for the first time, simply scroll down below and look for the free online stream link below to watch it online.

Last week's episode left a big question on Meredith's mind: Where in the world is Derek? Apparently, Derek missed his meeting in Washington, D.C. and Meredith is starting to feel uneasy on what could have happened to her husband who wouldn't miss an important conference for the world. The title of the new episode is "One Flight Down," so when Meredith learns that there had been a plane crash, she becomes deeply bothered by the fact that her memories of a devastating aircraft collision were nothing but sad and grim ones. In Season 8, Mark and Lexie met their demise and Arizona even lost her leg due to a plane crash. Don't miss the all-new episode tonight. Watch 'Grey's Anatomy' season 11 episode 20 online through the free online stream link found at the end of this post.

The official sneak peek at the upcoming episode shows an anxious Meredith clinging to her cellphone for any possible updates from her husband. She is about to lose it but she tries her best to hide it away. Bailey will also feel uneasy about the entire situation but she will suggest to Meredith to wait until five o'clock before reacting negatively about Derek's MIA. Maggie overhears their conversation and she openly tells Meredith that she's already noticing her fear, so she suggest to Meredith that she should just go home instead of painfully waiting for any updates while thinking of the possible things that could have happened and playing the final moments she had with her husband. Tune in on ABC at 8/7c or watch it online using the "Grey's Anatomy" season 11 episode 20 free online stream link available at the bottom.

The official synopsis of the brand new episode reads: "A small plane crash occurs, triggering bad memories for Meredith and Arizona as injured victims are brought to the hospital. Meanwhile, tension between Owen and Amelia creates an awkward work environment for Stephanie."

"One Flight Down" is set to air this Thursday night at 8/7c. Watch 'Grey's Anatomy' season 11 episode 20 online using this free online stream link here.